269 lines
7.9 KiB
C
269 lines
7.9 KiB
C
|
/*-
|
||
|
* Copyright (c) 2010 Juniper Networks, Inc.
|
||
|
* All rights reserved.
|
||
|
*
|
||
|
* This software was developed by Robert N. M. Watson under contract
|
||
|
* to Juniper Networks, Inc.
|
||
|
*
|
||
|
* Redistribution and use in source and binary forms, with or without
|
||
|
* modification, are permitted provided that the following conditions
|
||
|
* are met:
|
||
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
* notice, this list of conditions and the following disclaimer.
|
||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
* documentation and/or other materials provided with the distribution.
|
||
|
*
|
||
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
* SUCH DAMAGE.
|
||
|
*/
|
||
|
|
||
|
#include <sys/cdefs.h>
|
||
|
|
||
|
__FBSDID("$FreeBSD$");
|
||
|
|
||
|
#include <sys/types.h>
|
||
|
#include <sys/sysctl.h>
|
||
|
|
||
|
#include <net/netisr.h>
|
||
|
|
||
|
#include <err.h>
|
||
|
#include <stdint.h>
|
||
|
#include <stdio.h>
|
||
|
#include <stdlib.h>
|
||
|
|
||
|
#include "netstat.h"
|
||
|
|
||
|
/*
|
||
|
* Print statistics for the kernel netisr subsystem.
|
||
|
*/
|
||
|
static u_int bindthreads;
|
||
|
static u_int maxthreads;
|
||
|
static u_int numthreads;
|
||
|
|
||
|
static u_int defaultqlimit;
|
||
|
static u_int maxqlimit;
|
||
|
|
||
|
static u_int direct;
|
||
|
static u_int direct_force;
|
||
|
|
||
|
static struct sysctl_netisr_proto *proto_array;
|
||
|
static u_int proto_array_len;
|
||
|
|
||
|
static struct sysctl_netisr_workstream *workstream_array;
|
||
|
static u_int workstream_array_len;
|
||
|
|
||
|
static struct sysctl_netisr_work *work_array;
|
||
|
static u_int work_array_len;
|
||
|
|
||
|
static void
|
||
|
netisr_load_sysctl_uint(const char *name, u_int *p)
|
||
|
{
|
||
|
size_t retlen;
|
||
|
|
||
|
retlen = sizeof(u_int);
|
||
|
if (sysctlbyname(name, p, &retlen, NULL, 0) < 0)
|
||
|
err(-1, "%s", name);
|
||
|
if (retlen != sizeof(u_int))
|
||
|
errx(-1, "%s: invalid len %ju", name, (uintmax_t)retlen);
|
||
|
}
|
||
|
|
||
|
static void
|
||
|
netisr_load_config(void)
|
||
|
{
|
||
|
|
||
|
netisr_load_sysctl_uint("net.isr.bindthreads", &bindthreads);
|
||
|
netisr_load_sysctl_uint("net.isr.maxthreads", &maxthreads);
|
||
|
netisr_load_sysctl_uint("net.isr.numthreads", &numthreads);
|
||
|
|
||
|
netisr_load_sysctl_uint("net.isr.defaultqlimit", &defaultqlimit);
|
||
|
netisr_load_sysctl_uint("net.isr.maxqlimit", &maxqlimit);
|
||
|
|
||
|
netisr_load_sysctl_uint("net.isr.direct", &direct);
|
||
|
netisr_load_sysctl_uint("net.isr.direct_force", &direct_force);
|
||
|
}
|
||
|
|
||
|
static void
|
||
|
netisr_load_proto(void)
|
||
|
{
|
||
|
size_t len;
|
||
|
|
||
|
if (sysctlbyname("net.isr.proto", NULL, &len, NULL, 0) < 0)
|
||
|
err(-1, "net.isr.proto: query len");
|
||
|
if (len % sizeof(*proto_array) != 0)
|
||
|
errx(-1, "net.isr.proto: invalid len");
|
||
|
proto_array = malloc(len);
|
||
|
if (proto_array == NULL)
|
||
|
err(-1, "malloc");
|
||
|
if (sysctlbyname("net.isr.proto", proto_array, &len, NULL, 0) < 0)
|
||
|
err(-1, "net.isr.proto: query data");
|
||
|
if (len % sizeof(*proto_array) != 0)
|
||
|
errx(-1, "net.isr.proto: invalid len");
|
||
|
proto_array_len = len / sizeof(*proto_array);
|
||
|
if (proto_array_len < 1)
|
||
|
errx(-1, "net.isr.proto: no data");
|
||
|
if (proto_array[0].snp_version != sizeof(proto_array[0]))
|
||
|
errx(-1, "net.isr.proto: invalid version");
|
||
|
}
|
||
|
|
||
|
static void
|
||
|
netisr_load_workstream(void)
|
||
|
{
|
||
|
size_t len;
|
||
|
|
||
|
if (sysctlbyname("net.isr.workstream", NULL, &len, NULL, 0) < 0)
|
||
|
err(-1, "net.isr.workstream: query len");
|
||
|
if (len % sizeof(*workstream_array) != 0)
|
||
|
errx(-1, "net.isr.workstream: invalid len");
|
||
|
workstream_array = malloc(len);
|
||
|
if (workstream_array == NULL)
|
||
|
err(-1, "malloc");
|
||
|
if (sysctlbyname("net.isr.workstream", workstream_array, &len, NULL,
|
||
|
0) < 0)
|
||
|
err(-1, "net.isr.workstream: query data");
|
||
|
if (len % sizeof(*workstream_array) != 0)
|
||
|
errx(-1, "net.isr.workstream: invalid len");
|
||
|
workstream_array_len = len / sizeof(*workstream_array);
|
||
|
if (workstream_array_len < 1)
|
||
|
errx(-1, "net.isr.workstream: no data");
|
||
|
if (workstream_array[0].snws_version != sizeof(workstream_array[0]))
|
||
|
errx(-1, "net.isr.workstream: invalid version");
|
||
|
}
|
||
|
|
||
|
static void
|
||
|
netisr_load_work(void)
|
||
|
{
|
||
|
size_t len;
|
||
|
|
||
|
if (sysctlbyname("net.isr.work", NULL, &len, NULL, 0) < 0)
|
||
|
err(-1, "net.isr.work: query len");
|
||
|
if (len % sizeof(*work_array) != 0)
|
||
|
errx(-1, "net.isr.work: invalid len");
|
||
|
work_array = malloc(len);
|
||
|
if (work_array == NULL)
|
||
|
err(-1, "malloc");
|
||
|
if (sysctlbyname("net.isr.work", work_array, &len, NULL, 0) < 0)
|
||
|
err(-1, "net.isr.work: query data");
|
||
|
if (len % sizeof(*work_array) != 0)
|
||
|
errx(-1, "net.isr.work: invalid len");
|
||
|
work_array_len = len / sizeof(*work_array);
|
||
|
if (work_array_len < 1)
|
||
|
errx(-1, "net.isr.work: no data");
|
||
|
if (work_array[0].snw_version != sizeof(work_array[0]))
|
||
|
errx(-1, "net.isr.work: invalid version");
|
||
|
}
|
||
|
|
||
|
static void
|
||
|
netisr_print_proto(struct sysctl_netisr_proto *snpp)
|
||
|
{
|
||
|
|
||
|
printf("%-6s", snpp->snp_name);
|
||
|
printf(" %5u", snpp->snp_proto);
|
||
|
printf(" %6u", snpp->snp_qlimit);
|
||
|
printf(" %6s",
|
||
|
(snpp->snp_policy == NETISR_POLICY_SOURCE) ? "source" :
|
||
|
(snpp->snp_policy == NETISR_POLICY_FLOW) ? "flow" :
|
||
|
(snpp->snp_policy == NETISR_POLICY_CPU) ? "cpu" : "-");
|
||
|
printf(" %s%s%s\n",
|
||
|
(snpp->snp_flags & NETISR_SNP_FLAGS_M2CPUID) ? "C" : "-",
|
||
|
(snpp->snp_flags & NETISR_SNP_FLAGS_DRAINEDCPU) ? "D" : "-",
|
||
|
(snpp->snp_flags & NETISR_SNP_FLAGS_M2FLOW) ? "F" : "-");
|
||
|
}
|
||
|
|
||
|
static const char *
|
||
|
netisr_proto2name(u_int proto)
|
||
|
{
|
||
|
u_int i;
|
||
|
|
||
|
for (i = 0; i < proto_array_len; i++) {
|
||
|
if (proto_array[i].snp_proto == proto)
|
||
|
return (proto_array[i].snp_name);
|
||
|
}
|
||
|
return ("unknown");
|
||
|
}
|
||
|
|
||
|
static void
|
||
|
netisr_print_workstream(struct sysctl_netisr_workstream *snwsp)
|
||
|
{
|
||
|
struct sysctl_netisr_work *snwp;
|
||
|
int first;
|
||
|
u_int i;
|
||
|
|
||
|
first = 1;
|
||
|
for (i = 0; i < work_array_len; i++) {
|
||
|
snwp = &work_array[i];
|
||
|
if (snwp->snw_wsid != snwsp->snws_wsid)
|
||
|
continue;
|
||
|
if (first) {
|
||
|
printf("%4u", snwsp->snws_wsid);
|
||
|
printf(" %3u", snwsp->snws_cpu);
|
||
|
first = 0;
|
||
|
} else
|
||
|
printf("%4s %3s", "", "");
|
||
|
printf("%2s", "");
|
||
|
printf("%-6s", netisr_proto2name(snwp->snw_proto));
|
||
|
printf(" %5u", snwp->snw_len);
|
||
|
printf(" %5u", snwp->snw_watermark);
|
||
|
printf(" %8ju", snwp->snw_dispatched);
|
||
|
printf(" %8ju", snwp->snw_hybrid_dispatched);
|
||
|
printf(" %8ju", snwp->snw_qdrops);
|
||
|
printf(" %8ju", snwp->snw_queued);
|
||
|
printf(" %8ju", snwp->snw_handled);
|
||
|
printf("\n");
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void
|
||
|
netisr_stats(void)
|
||
|
{
|
||
|
struct sysctl_netisr_workstream *snwsp;
|
||
|
struct sysctl_netisr_proto *snpp;
|
||
|
u_int i;
|
||
|
|
||
|
netisr_load_config();
|
||
|
netisr_load_proto();
|
||
|
netisr_load_workstream();
|
||
|
netisr_load_work();
|
||
|
|
||
|
printf("Configuration:\n");
|
||
|
printf("%-25s %12s %12s\n", "Setting", "Value", "Maximum");
|
||
|
printf("%-25s %12u %12u\n", "Thread count", numthreads, maxthreads);
|
||
|
printf("%-25s %12u %12u\n", "Default queue limit", defaultqlimit,
|
||
|
maxqlimit);
|
||
|
printf("%-25s %12s %12s\n", "Direct dispatch",
|
||
|
direct ? "enabled" : "disabled", "n/a");
|
||
|
printf("%-25s %12s %12s\n", "Forced direct dispatch",
|
||
|
direct_force ? "enabled" : "disabled", "n/a");
|
||
|
printf("%-25s %12s %12s\n", "Threads bound to CPUs",
|
||
|
bindthreads ? "enabled" : "disabled", "n/a");
|
||
|
printf("\n");
|
||
|
|
||
|
printf("Protocols:\n");
|
||
|
printf("%-6s %5s %6s %-6s %-5s\n", "Name", "Proto", "QLimit",
|
||
|
"Policy", "Flags");
|
||
|
for (i = 0; i < proto_array_len; i++) {
|
||
|
snpp = &proto_array[i];
|
||
|
netisr_print_proto(snpp);
|
||
|
}
|
||
|
printf("\n");
|
||
|
|
||
|
printf("Workstreams:\n");
|
||
|
printf("%4s %3s ", "WSID", "CPU");
|
||
|
printf("%2s", "");
|
||
|
printf("%-6s %5s %5s %8s %8s %8s %8s %8s\n", "Name", "Len", "WMark",
|
||
|
"Disp'd", "HDisp'd", "QDrops", "Queued", "Handled");
|
||
|
for (i = 0; i < workstream_array_len; i++) {
|
||
|
snwsp = &workstream_array[i];
|
||
|
netisr_print_workstream(snwsp);
|
||
|
}
|
||
|
}
|